WO2021226737A1 - Procédé de coordination de ressources, dispositif et support de stockage - Google Patents

Procédé de coordination de ressources, dispositif et support de stockage Download PDF

Info

Publication number
WO2021226737A1
WO2021226737A1 PCT/CN2020/089323 CN2020089323W WO2021226737A1 WO 2021226737 A1 WO2021226737 A1 WO 2021226737A1 CN 2020089323 W CN2020089323 W CN 2020089323W WO 2021226737 A1 WO2021226737 A1 WO 2021226737A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
communication group
information
resources
resource
Prior art date
Application number
PCT/CN2020/089323
Other languages
English (en)
Chinese (zh)
Inventor
赵振山
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/089323 priority Critical patent/WO2021226737A1/fr
Priority to CN202080098552.4A priority patent/CN115298974A/zh
Publication of WO2021226737A1 publication Critical patent/WO2021226737A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile

Definitions

  • the embodiments of the present application relate to communication technologies, and in particular, to a resource coordination method, device, and storage medium.
  • the device-to-device (D2D) communication method is a communication method based on the Sidelink (SL) transmission technology.
  • SL Sidelink
  • V2X Vehicle-to-Everything
  • the Internet of Vehicles system adopts terminal-to-terminal direct communication, so it has higher spectrum efficiency and lower Transmission delay.
  • multiple terminals can form a communication group.
  • interference will be formed between the communication groups. Therefore, how to reduce the interference between the communication groups is a problem that needs to be solved.
  • the embodiments of the present application provide a resource coordination method, device, and storage medium to reduce interference between communication groups.
  • embodiments of the present application may provide a resource coordination method, including:
  • the first terminal determines that there is a second communication group
  • the first terminal performs resource coordination, where the first terminal is a terminal in a first communication group.
  • the embodiments of the present application may provide a resource coordination method, including:
  • the third terminal determines that there is a second communication group; the third terminal is a terminal in the first communication group;
  • the third terminal sends first indication information to the first terminal, where the first terminal is a terminal in the first communication group, and the first indication information is used to indicate that the second communication group exists.
  • embodiments of the present application may provide a resource coordination method, including:
  • the second terminal receives the resource information of the second communication group sent by the first terminal, the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group;
  • the resources of a communication group and the resources of the second communication group are different in the time domain and/or the frequency domain;
  • the second terminal performs resource coordination according to the resource information of the second communication group.
  • embodiments of the present application may provide a resource coordination method, including:
  • the second terminal receives the fifth instruction information sent by the first terminal, the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group; the fifth instruction information is used for Indicating the resource usage of the first communication group;
  • the second terminal performs resource coordination according to the fifth indication information.
  • an embodiment of the present application may further provide a first terminal, including:
  • the determining module is used to determine that there is a second communication group
  • the processing module is configured to perform resource coordination, where the first terminal is a terminal in the first communication group.
  • the embodiments of the present application may further provide a third terminal, including:
  • a determining module configured to determine that there is a second communication group; the third terminal is a terminal in the first communication group;
  • the sending module is configured to send first indication information to a first terminal, where the first terminal is a terminal in a first communication group, and the first indication information is used to indicate that the second communication group exists.
  • an embodiment of the present application may further provide a second terminal, including:
  • the receiving module is configured to receive resource information of a second communication group sent by a first terminal, where the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group;
  • the resources of the first communication group and the resources of the second communication group are different in the time domain and/or the frequency domain;
  • the processing module is configured to perform resource coordination according to the resource information of the second communication group.
  • an embodiment of the present application may further provide a second terminal, including:
  • the receiving module is configured to receive fifth indication information sent by a first terminal, where the first terminal is a terminal in a first communication group, and the second terminal is a terminal in a second communication group; the fifth indication information Used to indicate the resource usage of the first communication group;
  • the processing module is configured to perform resource coordination according to the fifth instruction information.
  • an embodiment of the present application may further provide a first terminal, including:
  • Processor memory, and interface for communication with network equipment
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the resource coordination method provided in any one of the first aspect.
  • an embodiment of the present application may further provide a third terminal, including:
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the resource coordination method provided in any one of the second aspect.
  • an embodiment of the present application may further provide a second terminal, including:
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the resource coordination method provided in any one of the third aspect and the fourth aspect.
  • an embodiment of the present application provides a computer-readable storage medium.
  • the computer-readable storage medium stores a computer-executable instruction, and when the computer-executable instruction is executed by a processor, it is used to implement any of the tasks as in the first aspect.
  • an embodiment of the present application provides a computer-readable storage medium that stores a computer-executable instruction, and when the computer-executable instruction is executed by a processor, it is used to implement the second aspect Any one of the resource coordination methods.
  • an embodiment of the present application provides a computer-readable storage medium that stores a computer-executable instruction, and when the computer-executable instruction is executed by a processor, it is used to implement the third aspect And the resource coordination method described in any one of the fourth aspect.
  • an embodiment of the present application provides a program, when the program is executed by a processor, it is used to execute the resource coordination method described in any one of the first aspect above.
  • the embodiments of the present application also provide a program, when the program is executed by a processor, it is used to execute the resource coordination method described in any one of the second aspect above.
  • the embodiments of the present application also provide a program, when the program is executed by the processor, it is used to execute the resource coordination method as described in any one of the third aspect and the fourth aspect.
  • the foregoing processor may be a chip.
  • an embodiment of the present application provides a computer program product, including program instructions, which are used to implement the resource coordination method described in any one of the first aspect.
  • an embodiment of the present application provides a computer program product, including program instructions, which are used to implement the resource coordination method described in any one of the second aspects.
  • an embodiment of the present application provides a computer program product, including program instructions, and the program instructions are used to implement the resource coordination method described in any one of the third aspect and the fourth aspect.
  • an embodiment of the present application provides a chip, including a processing module and a communication interface, and the processing module can execute the resource coordination method described in any one of the first aspect.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to perform the first aspect. Any one of the resource coordination methods.
  • an embodiment of the present application provides a chip, which includes a processing module and a communication interface, and the processing module can execute the resource coordination method described in any one of the second aspect.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute the second aspect Any one of the resource coordination methods.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the processing module to execute the second aspect Any one of the resource coordination methods.
  • an embodiment of the present application provides a chip, including a processing module and a communication interface, and the processing module can execute the resource coordination method described in any one of the second aspect.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute the third aspect.
  • a storage module such as a memory
  • the storage module is used to store instructions
  • the processing module is used to execute the instructions stored in the storage module
  • the execution of the instructions stored in the storage module causes the processing module to execute the third aspect.
  • the first terminal determines other second communication groups currently existing around the first communication group, and performs resource coordination to reduce resource conflicts, thereby reducing the first communication group and the first communication group. 2. Interference between communication groups.
  • FIG. 1 is a schematic diagram of a communication system applied in an embodiment of this application
  • FIG. 2 is a schematic diagram of the coverage of a side-line communication network according to an embodiment of the application
  • FIG. 3 is a schematic diagram of the coverage of a lateral communication network according to another embodiment of this application.
  • FIG. 4 is a schematic diagram of the coverage of a lateral communication network according to another embodiment of this application.
  • FIG. 5 is a schematic diagram of a communication group according to an embodiment of the application.
  • FIG. 6 is a schematic diagram of unicast according to an embodiment of the application.
  • FIG. 7 is a schematic diagram of multicast according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of broadcasting according to an embodiment of the application.
  • FIG. 9 is a flowchart of an embodiment of a resource coordination method provided by this application.
  • FIG. 10 is a schematic diagram of the principle of an embodiment of a resource coordination method provided by this application.
  • FIG. 11 is a schematic diagram of the principle of another embodiment of the resource coordination method provided by this application.
  • FIG. 12 is an interaction flowchart of an embodiment of a resource coordination method provided by this application.
  • FIG. 13 is an interaction flowchart of another embodiment of the resource coordination method provided by this application.
  • FIG. 14 is a flowchart of another embodiment of the resource coordination method provided by this application.
  • FIG. 15a is a flowchart of another embodiment of a resource coordination method provided by this application.
  • FIG. 15b is a flowchart of another embodiment of the resource coordination method provided by this application.
  • FIG. 16 is a schematic structural diagram of an embodiment of the first terminal device provided by this application.
  • FIG. 17 is a schematic structural diagram of an embodiment of the third device provided by this application.
  • FIG. 18a is a schematic structural diagram of an embodiment of a second device provided by this application.
  • FIG. 18b is a schematic structural diagram of another embodiment of the second device provided by this application.
  • FIG. 19 is a schematic structural diagram of another embodiment of the first terminal device provided by this application.
  • FIG. 21 is a schematic structural diagram of another embodiment of the second device provided by this application.
  • FIG. 1 is a schematic diagram of a communication system applied in an embodiment of this application.
  • the communication system includes at least a network device 11 and a terminal device 12. It can be understood that, in an actual communication system, there may be one or more network devices 11 and terminal devices 12.
  • one network device is used as an example, and two terminal devices 12 are used as an example.
  • the network device 11 may be an access network device, for example, it may be an access device in an LTE network and its evolved network, such as an evolved base station (Evolutional Node B, eNB or eNodeB for short), or may also include 5G The next generation node B (gNB) in the NR system, or a relay station, or a base station in a new network system in the future, and so on.
  • LTE Long Term Evolution
  • eNB evolved base station
  • gNB next generation node B
  • the terminal device 12 may also be referred to as a mobile terminal, user equipment (User Equipment, UE for short), access terminal, user unit, user station, mobile station, mobile station, user terminal, terminal, wireless communication equipment, user agent or User device.
  • UE User Equipment
  • it can be smart phones, cellular phones, cordless phones, personal digital assistant (PDA) devices, handheld devices with wireless communication functions, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, etc.
  • the terminal device has an interface for communicating with the network device.
  • the terminal device is referred to as a terminal for short.
  • side-line communication according to the network coverage of the communication terminal, it can be divided into network coverage inner-line communication, partial network coverage side-line communication, and network coverage outer-line communication, respectively, as shown in Figure 2, Figure 3, and Figure 3, respectively. 4 shown.
  • FIG. 3 In the case of partial network coverage of side-line communication, some of the terminals performing side-line communication are located within the coverage of the network device, and this part of the terminal can receive the configuration signaling of the network device, and according to the configuration of the network device Perform side-line communication. However, the terminal located outside the network coverage area cannot receive the configuration signaling of the network device. In this case, the terminal outside the network coverage area will send the information according to the pre-configuration information and the terminal located in the network coverage area.
  • the information carried in the side-line broadcast channel PSBCH determines the side-line configuration and performs side-line communication.
  • the central control node For side-line communication with a central control node, multiple terminals form a communication group, and the communication group has a central control node, which can also be called a cluster header (Cluster Header).
  • CH cluster Header
  • the central control node has one of the following functions: responsible for the establishment of a communication group; group member (Cluster Member, CM) terminal joining and leaving; resource coordination, allocating side transmission resources for other terminals, and receiving other The terminal's side-line feedback information; functions such as resource coordination with other communication groups.
  • the terminal UE1 serves as a CH terminal
  • UE2 and UE3 serve as CM terminals.
  • NR-V2X the transmission modes of unicast, multicast and broadcast are supported.
  • the receiving end has only one terminal.
  • unicast transmission is performed between UE1 and UE2; for multicast transmission, the receiving end is all terminals in a communication group, or at a certain transmission distance.
  • UE1, UE2, UE3, and UE4 form a communication group, where UE1 sends data, and the other terminal devices in the group are terminals on the receiving end; for broadcast transmission, the receiving end is the sending end.
  • Any terminal around the end terminal as shown in Figure 8, UE1 is the transmitting end terminal, and the other surrounding terminals, UE2-UE6, are all receiving end terminals.
  • the following two transmission modes are supported in side-line communication.
  • the first mode the transmission resources of the terminal are allocated by the network equipment, and the terminal transmits data on the side link according to the resources allocated by the network equipment; the network equipment can allocate single transmission resources to the terminal or allocate it to the terminal Semi-static transmission of resources.
  • the terminal is located within the coverage of the network, and the network allocates transmission resources for the terminal to be used for side-line transmission.
  • the second mode The terminal selects a resource in the resource pool for data transmission. As shown in Figure 4, the terminal is located outside the coverage area of the cell, and the terminal autonomously selects transmission resources for side transmission in the pre-configured resource pool; or in Figure 2, the terminal autonomously selects transmission resources for side transmission in the resource pool configured by the network transmission.
  • the CH terminal can also allocate transmission resources to other terminals, for example, allocate transmission resources to other terminals in the communication group in a resource pool configured by the network, or Transmission resources are allocated to other terminals in the communication group in a resource pool pre-configured on the network.
  • the method in the embodiment of the present application is applicable to a variety of scenarios, and the following uses an Internet of Vehicles system, a smart home scenario, etc. as examples for description.
  • the CH terminal allocates transmission resources for the CM terminals in the group.
  • the interference coordination between the two communication groups needs to be considered;
  • the vehicle includes a variety of terminal devices, such as speakers, audio, cameras, rearview mirrors, etc., which can be controlled by the central control node in the vehicle.
  • terminal devices such as speakers, audio, cameras, rearview mirrors, etc.
  • a terminal in a car forms a communication group or communication system, and different cars are different communication groups.
  • the interference coordination between the communication group of the car and the car needs to be considered.
  • smart home scenarios In smart home scenarios, home or indoor terminals have communication functions.
  • the terminals in the home can form a communication group, which usually has a central control node or CH terminal, such as Smartphones, smart TVs, and Consumer Premise Equipment (CPE); for example, terminals in the same family form a communication group, and different families have different communication groups.
  • CH terminal such as Smartphones, smart TVs, and Consumer Premise Equipment (CPE); for example, terminals in the same family form a communication group, and different families have different communication groups.
  • the communication group in a family needs to be considered and other communication groups. Interference coordination between family communication groups (such as neighbors).
  • transmission resources between different communication groups may conflict, and interference between the communication groups is likely to occur.
  • the technical idea of the method in the embodiments of the present application is as follows: detect other second communication groups currently existing around the first communication group, and perform resource coordination to avoid or reduce interference between the first communication group and the second communication group.
  • FIG. 9 is a flowchart of an embodiment of a resource coordination method provided by this application. As shown in FIG. 9, the specific implementation steps of this embodiment include:
  • Step 101 The first terminal determines that there is a second communication group.
  • the first terminal is a terminal in the first communication group.
  • a communication group can use all the transmission resources allocated by the network; when there is a second communication group, for example When the second communication group is very close to the first communication group, the existence of the second communication group will interfere with the communication of the terminals of the first communication group, and resource coordination is required. Therefore, it is first necessary to detect whether there are other second communication groups.
  • the first terminal is, for example, the group head terminal of the first communication group, and the group head terminal is usually a high-capability terminal, such as having strong signal processing capability and not subject to power limitation.
  • the number of the second communication group may be one or more.
  • the existence of the second communication group can be determined by the detection result of the first terminal itself on the second communication group, or the existence of the second communication group can be determined by the detection results of other terminals in the first communication group. This is not limited.
  • the method of detecting the second communication group may be based on the measurement result of the signal or channel sent by the terminal of the second communication group, or detecting whether there is identification information that is different from the identification information of the first communication group, etc., to determine whether there is a second communication group.
  • Communication group, the identification information of the communication group may be carried in some signals or channels, such as synchronization signals, broadcast channels, and so on.
  • Step 102 The first terminal performs resource coordination.
  • resource coordination needs to be performed to avoid or reduce interference between the first communication group and the second communication group.
  • the terminals in the first communication group can be made to avoid using the transmission resources used or reserved by other terminals (for example, the terminals in the current first communication group and other terminals in the second communication group).
  • Resource conflicts with other terminals to reduce interference for example, you can negotiate with other second communication groups, and each communication group uses different transmission resources; for example, you can also notify other second communication groups of the transmission resources used by the first communication group, Or transmit the transmission resources used by a certain signal or channel to prevent other second terminals from using these transmission resources to reduce interference, and so on.
  • the first terminal determines other second communication groups currently existing around the first communication group, and performs resource coordination to reduce resource conflicts, thereby reducing interference between the first communication group and the second communication group.
  • how to determine the existence of the second communication group can be done in multiple ways.
  • the following is a detailed description of several possible implementation ways:
  • An implementation method A An implementation method A:
  • the first terminal determines that the second communication group exists according to the detection result of the first terminal.
  • the first terminal itself detects the existence of the second communication group, and according to the detection result of the first terminal, it is determined that the second communication group exists.
  • the following methods can be adopted:
  • the first terminal determines that the second communication group exists, where the second identification information is different from the first identification information of the first communication group.
  • different communication groups may have different identification (ID) information, and the identification information may be carried in some signals or channels sent by the terminal. Therefore, it is possible to determine whether there is a second communication group by detecting the identification information, and if it is detected that there is second identification information different from the first identification information of the first communication group, it is determined that the second communication group exists.
  • ID identification
  • the first terminal detects the synchronization signal or the broadcast channel, and obtains the second identification information.
  • the group head terminal in order to keep synchronization between the terminals in the group, usually the group head terminal (or the central control node) will send a synchronization signal.
  • the synchronization signal carries the identification information of the communication group.
  • the synchronization signal sent by the group head terminal of the communication group corresponds to different identification information. Therefore, in one embodiment, the first terminal may detect the ID in the synchronization signal, and determine whether there is a second communication group based on the detected ID.
  • the first terminal when the first terminal detects an ID that is different from the ID of the first communication group, it can determine that the second communication group exists.
  • the broadcast channel may also be detected, and whether there is a second communication group is determined according to the ID information in the broadcast channel.
  • CH1, UE1, UE2 are the first communication group
  • CH2, UE3, and UE4 are the second communication group.
  • CH1 and CH2 send synchronization signals, corresponding to synchronization signal identity (SSID) 1 And SSID 2
  • CH1 detects the synchronization signal sent by CH2, and determines that its corresponding identification information is SSID 2, which has different identification information from the synchronization signal sent by CH1, and it can be determined that there is a second communication group.
  • SSID synchronization signal identity
  • the first communication group and the second communication group may be asynchronous.
  • the central control node CH1 of the first communication group receives uplink signals sent by other terminals in the communication group, this moment may correspond to the second communication group Therefore, the CH1 can receive the synchronization signal sent by the central control node CH2 of the second communication group.
  • the time slots for uplink transmission and downlink transmission between the first communication group and the second communication group are different. For example, a certain time slot is used for uplink transmission for the first communication group, but for the second communication group.
  • the group may be used for downlink transmission, so CH1 can receive the synchronization signal sent by the central control node CH2 of the second communication group.
  • the second identification information includes at least one of the following information: Radio Network Tempory Identity (RNTI), communication group identification information, synchronization signal identification SSID, or Sidelink Synchronization Signal identification (Sidelink Synchronization Signal) Identity, SLSS ID).
  • RNTI Radio Network Tempory Identity
  • SSID synchronization signal identification
  • Sidelink Synchronization Signal Sidelink Synchronization Signal Identification
  • the first terminal measures the signal or channel sent by the second terminal
  • the first terminal determines that the second communication group exists, where the second terminal is a terminal in the second communication group.
  • the first terminal in the first communication group may receive signals or channels of other communication groups, and measure the signals or channels of other communication groups, and when the measurement result exceeds the first threshold, it may be determined that there is a second communication. Group. When the measurement result is less than the first threshold, it can be considered that other communication groups are far away, and resource coordination may not be required.
  • exceeding the threshold refers to greater than or equal to the first threshold.
  • the first threshold is pre-configured, configured on the network side, or configured by the first terminal.
  • the second terminal may be a group head terminal or a group member terminal of the second communication group, which is not limited in the embodiment of the present application.
  • the measurement result includes the measurement result of at least one of the following signals: synchronization signal, demodulation reference signal (Demodulation Reference Symbol, DMRS), channel state information measurement reference signal (Channel State Information Reference Signal, CSI-RS) ) Or Sounding Reference Signal (SRS); or, the measurement results include measurement results on at least one of the following channels: Physical Sidelink Broadcast Channel (PSBCH), Physical Sidelink Broadcast Channel (PSBCH) Physical Sidelink Shared Channel (PSSCH), Physical Sidelink Control Channel (PSCCH), Physical Sidelink Feedback Channel (PSFCH), Physical Broadcast Channel (PBCH), Physical Downlink Sharing Channel (Physical Downlink Shared Channel, PDSCH), Physical Uplink Shared Channel (PUSCH), Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH), or Physical Uplink Control Channel (PUCCH).
  • PSBCH Physical Sidelink Broadcast Channel
  • PSBCH Physical Sidelink Broadcast Channel
  • PSSCH Physical Sidelink Shared Channel
  • PSCCH Physical Sidelink Control Channel
  • PSFCH Physical Broadcast
  • the synchronization signal may include at least one of the following signals: Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS), and Sidelink Primary Synchronization Signal (Sidelink Primary Synchronization Signal) , S-PSS), Sidelink Secondary Synchronization Signal (S-SSS).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • S-SSS Sidelink Primary Synchronization Signal
  • S-SSS Sidelink Secondary Synchronization Signal
  • the DMRS includes one of the following: PDSCH DMRS, PDCCH DMRS, PBCH DMRS, PUSCH DMRS, PUCCH DMRS, PSSCH DMRS, PSCCH DMRS, PSBCH DMRS.
  • the signal or channel in this embodiment may be any signal or channel transmitted between the group head and the group member, or between the group member and the group member, and the present invention does not limit this.
  • the measurement result includes at least one of the following: RSRP, RSRQ, SINR, RSSI.
  • the measurement result includes at least one of the following: reference signal received power RSRP or reference signal received quality RSRQ; if the measurement result is a channel measurement result, the The measurement result includes at least one of the following: signal-to-noise ratio SINR or received signal field strength indicator RSSI.
  • the measurement quantity is, for example, RSRP, RSRQ, etc.; if the terminal is for channel measurement, the measurement quantity is, for example, SINR, RSSI, etc.
  • the terminals in the communication group perform data transmission through the side-line link. Therefore, the first terminal in the first communication group can measure the side-line signals or side-line channels of other communication groups. , And then determine whether there is a second communication group.
  • the communication between the central control node and other terminals in the vehicle is usually through uplink and downlink channels (PDSCH, PDCCH, PUSCH, PUCCH). Therefore, the first terminal can measure another in-vehicle
  • the uplink and downlink channels or signals sent by the terminal or the terminal of another communication group are used to determine whether there is a second communication group.
  • the central control node of the first communication group receives the uplink channel sent by other terminals in the communication group, the moment may correspond to another communication group Therefore, the central control node can receive downlink channels and downlink signals sent by central control nodes of other communication groups.
  • the first terminal determines other second communication groups existing around the first communication group based on its own detection results.
  • the first terminal obtains the first indication information
  • the first terminal determines that the second communication group exists according to the first indication information; where the first indication information is used to indicate that the second communication group exists.
  • acquiring the first indication information by the first terminal includes:
  • the first terminal receives the first indication information sent by the third terminal, where the third terminal is a terminal in the first communication group.
  • the third terminal may be any group member terminal in the first communication group.
  • the first terminal may determine that the second communication group exists according to the first indication information of other third terminals in the first communication group.
  • the first indication information indicates that the second communication group exists, and the second indication information may include information of the second communication group, for example, identification information of the second communication group, information of terminals in the second communication group, and the like.
  • the manner in which the third terminal detects the second communication group can refer to the manner in which the first terminal detects the second communication group in the foregoing embodiment, for example, manner a and manner b, which will not be repeated here.
  • CH1, UE1, UE2 are the first communication group
  • CH2, UE3, and UE4 are the second communication group.
  • CH1 and CH2 send synchronization signals corresponding to SSID 1 and SSID 2, respectively.
  • UE2 detects that CH2 is sending If it is determined that the corresponding identification information is SSID 2, and the synchronization signal sent by CH1 has different identification information, it can be determined that the second communication group exists.
  • the first indication information is carried in side link control information SCI, data media access layer control unit MAC CE, or radio resource control PC5-RRC signaling; or,
  • the first indication information is carried in the physical uplink control channel PUCCH; or,
  • the first indication information is carried in the physical uplink control channel PUSCH.
  • the first indication information is carried in a transmission channel between the group member terminal and the group head terminal.
  • the third terminal is a terminal configured by the first terminal to detect the second communication group, or the third terminal is a measurement result of a signal or channel from the first terminal in the first communication group that is less than or equal to The second threshold terminal.
  • the third terminal may be configured by the first terminal to detect the existence of the second communication group, or it may be any group member terminal in the first communication group to detect the existence of the second communication group based on the measurement result. For example, if the measurement result of the signal or channel of the first terminal is less than or equal to the second threshold, the terminal is used as the third terminal to detect the existence of the second communication group.
  • the second threshold is pre-configured, configured on the network side, or configured by the first terminal.
  • the third terminal when the third terminal measures that the RSRP of the first terminal is lower than the second threshold, it can be considered that the third terminal is far away from the first terminal or is located at the edge of the first communication group.
  • This type of terminal is easier to detect whether the surroundings are There are other communication groups, so the third terminal detects the existence of the second communication group.
  • the first terminal is configured to detect resources of the second communication group.
  • resources of the second communication group For example, a resource used to detect identification information, or a resource used to measure a signal or channel sent by a terminal of the second communication group.
  • the resources may include time domain resources and/or frequency domain resources.
  • the first terminal configures a time window for the first terminal or the third terminal, and the first terminal or the third terminal measures the signals or channels sent by the terminals of the second communication group within the time window;
  • the first terminal configures the first terminal or the third terminal with a pattern for detecting the second communication group, and the time domain and/or frequency domain resources for detecting the second communication group can be determined according to the pattern. Among them, the corresponding time-frequency resource can be determined according to the detection pattern.
  • the first terminal determines other second communication groups existing around the first communication group based on the detection results of other third terminals, and then can perform resource coordination to reduce the difference between the first communication group and the second communication group. Interference.
  • the first terminal needs to confirm whether to perform resource coordination before performing resource coordination, for example, perform resource coordination when certain conditions are met. For example, when the two communication groups are far apart, the interference is low and resource coordination is not required; when the two communication groups are close and the interference is strong, interference coordination is required.
  • the first terminal A terminal performs resource coordination.
  • the first terminal needs to be triggered to perform interference coordination, for example, the first terminal performs interference coordination with the second terminal.
  • the measurement result of the transmitted signal or channel exceeds the third threshold, and the first terminal performs resource coordination. For example, when the measurement result does not exceed the third threshold, it indicates that the interference of the second communication group to the second communication group is small, and resource coordination may not be performed.
  • the method further includes:
  • the first terminal receives the second indication information of the fourth terminal of the first communication group; the second indication information is used by the first terminal to determine resource coordination.
  • the first terminal determines to perform resource coordination according to the received second instruction information sent by the fourth terminal; otherwise, even if it is determined that there is a second communication group, there is no need to perform resource coordination.
  • the second indication information is sent by the fourth terminal when the measurement result of the second communication group exceeds the sixth threshold. If it does not exceed the sixth threshold, the interference is small and there is no need to report.
  • the fourth terminal in a communication group measures RSRP and RSRQ for signals of other communication groups, or when measuring RSSI and SINR for channels of other communication groups, if the measurement result is higher than the sixth threshold, it is considered to be from other communication groups.
  • the communication group has strong interference, and the second indication information will be reported to the first terminal of the group head.
  • the fourth terminal and the third terminal may be the same terminal or different terminals in the first communication group, which is not limited in the embodiment of the present application.
  • the second indication information is used to instruct the first terminal to perform resource coordination; or,
  • the second indication information is used to indicate that the measurement result of the fourth terminal on the terminals in the second communication group exceeds the fourth threshold; or,
  • the second indication information includes the measurement result of the fourth terminal on the terminal in the second communication group.
  • the second indication information may directly instruct the first terminal to perform resource coordination, and the first terminal does not need to make a judgment.
  • the second indication information may indicate that the measurement result exceeds the fourth threshold, and the first terminal may determine to perform resource coordination.
  • the fourth threshold and the sixth threshold may be the same or different.
  • the second indication information includes a measurement result of the fourth terminal on the terminal in the second communication group, and the first terminal determines whether to perform resource coordination according to the measurement result of the fourth terminal on the terminal in the second communication group.
  • the first terminal if the measurement result exceeds the fifth threshold, the first terminal performs resource coordination.
  • the fifth threshold and the sixth threshold may be the same or different.
  • the second indication information is carried in the side link control information SCI, the media access layer control element (MAC Control Element, MAC CE) of the data, or the radio resource control (PC5 Radio Resource Control, PC5-RRC) In signaling; or,
  • the second indication information is carried in the physical uplink control channel PUCCH; or,
  • the second indication information is carried in the physical uplink control channel PUSCH.
  • the second indication information is carried in a transmission channel between the group member terminal and the group head terminal.
  • any one of the third threshold to the sixth threshold may be pre-configured, configured on the network side, or configured by the first terminal.
  • resource coordination before resource coordination is performed, it is determined whether to perform resource coordination. In the case of low interference, resource coordination may not be required, which simplifies the operation of the first terminal and saves power consumption.
  • resource coordination for the first terminal can be implemented in multiple ways, for example, it can be implemented in the following ways:
  • the first terminal sends third indication information to the terminals in the first communication group, where the third indication information is used to instruct the terminals in the first communication group to independently select transmission resources.
  • the group head terminal can allocate resources to the group member terminals in the communication group, or the transmission resources of the group member terminals are allocated by the network side.
  • the first terminal can indicate the group member terminals in the first communication group The terminal independently chooses transmission resources.
  • the terminals in the first communication group may also include the third terminal and the fourth terminal in the foregoing embodiment.
  • the group head terminal allocates transmission resources to the group member terminals in the communication group, it is usually not necessary for the group member terminal to listen, and only needs to perform data transmission on the resources allocated by the group head terminal.
  • the group member terminals in the communication group when group member terminals in a communication group independently select transmission resources, the group member terminals in the communication group usually need to obtain transmission resources through interception. During the interception process, the terminal can avoid selecting transmission resources. Transmission resources used or reserved by other terminals (including terminals in this communication group and terminals in other communication groups), so resource conflicts with terminals in other communication groups can be avoided, and interference can be reduced.
  • the terminals in the first communication group independently select transmission resources, which can avoid selecting transmission resources that have been used or reserved by other terminals (including terminals in this communication group and terminals in other communication groups). It can avoid resource conflicts with terminals in other communication groups and reduce interference.
  • the third indication information is carried in the side link control information SCI, the media access layer control unit (MAC Control Element, MAC CE) of the data, or the radio resource control (PC5 Radio Resource Control, PC5-RRC) In signaling; or,
  • the third indication information is carried in the physical downlink control channel PDCCH; or,
  • the third indication information is carried in the physical uplink control channel PDSCH.
  • An implementation method 1-2 An implementation method 1-2:
  • the first terminal sends fourth instruction information to the terminals in the first communication group, where the fourth instruction information is used to instruct to activate the autonomous listening mode of the terminals in the first communication group.
  • the group head terminal can allocate resources to the group member terminals in the communication group, or the transmission resources of the group member terminals are allocated by the network side, and the group member terminals do not need to listen.
  • the first terminal may send instruction information to the terminals in the first communication group, the instruction information is used to indicate to activate the autonomous listening mode of the terminal, or to instruct to activate the listening function to activate the autonomous listening
  • the terminals in the first communication group can listen to avoid selecting transmission resources that have been used or reserved by other terminals (including terminals in this communication group and terminals in other communication groups), thus avoiding communication with other terminals. Resource conflicts between terminals in the communication group reduce interference.
  • the terminals in the first communication group can avoid selecting transmission resources that have been used or reserved by other terminals (including terminals in this communication group and terminals in other communication groups) by means of interception. Therefore, resource conflicts with terminals in other communication groups can be avoided, and interference can be reduced.
  • the fourth indication information is carried in the side link control information SCI, the media access layer control element (MAC Control Element, MAC CE) of the data, or the radio resource control (PC5 Radio Resource Control, PC5-RRC) In signaling; or,
  • the fourth indication information is carried in the physical downlink control channel PDCCH; or,
  • the fourth indication information is carried in the physical uplink control channel PDSCH.
  • the first terminal receives available resource information and/or unavailable resource information sent by terminals in the first communication group;
  • the first terminal coordinates the resources in the first communication group according to the available resource information and/or the unavailable resource information.
  • the first terminal receives resource indication information sent by the terminals in the first communication group, and coordinates the resources in the first communication group according to the resource indication information.
  • the resource indication information may include available resource indication information and/or unavailable resource indication information.
  • the terminals in the first communication group can determine which resources are available or unavailable resources (that is, transmission resources with strong interference) through listening, and the terminals in the first communication group can report the available resources to the first terminal
  • the information and/or unavailable resource information for example, the available resource information and/or unavailable resource information may be transmitted to the first terminal in a resource collection manner.
  • the available resource information and/or unavailable resource information can assist the first terminal in scheduling resources. For example, the first terminal allocates transmission resources for the terminals in the first communication group in the available resource set, or avoids providing transmission resources for the first terminal. The terminals in the communication group allocate transmission resources in the unavailable resource set, so as to achieve the purpose of avoiding or reducing interference between communication groups.
  • the terminals in the first communication group can send available resource information and/or unavailable resource information to the first terminal by means of interception, and the first terminal can send information about available resources and/or unavailable resources to the first terminal according to the available resource information and/or unavailable resources.
  • the information allocates resources for the terminals in the first communication group to avoid allocating transmission resources in the unavailable resource set for the terminals in the first communication group, thereby achieving the purpose of avoiding or reducing interference between communication groups.
  • An implementation method 1-4 An implementation method 1-4:
  • the first terminal allocates resources to the first communication group and the second communication group, where the resources of the first communication group and the resources of the second communication group are different in the time domain and/or the frequency domain;
  • the first terminal sends the resource information of the second communication group to the terminal of the second communication group.
  • the first communication group when there are no other communication groups around, can use all the transmission resources allocated by the network to increase the transmission rate, but when there are other communication groups around, different transmission resources can be used between the communication groups, for example, Use orthogonal transmission resources to reduce interference between communication groups.
  • communication groups use time division and/or frequency division to multiplex transmission resources.
  • the bandwidth of the system is 20 MHz.
  • each communication group can use 10 MHz. Bandwidth for data transmission to avoid interference.
  • Time division multiplexing means that different communication groups use different time resources for transmission
  • Frequency division multiplexing means that different communication groups use different frequency domain resources for transmission.
  • the terminals in the second communication group may select transmission resources according to the resource information of the second communication group allocated by the first terminal, so as to reduce interference between the first communication group and the second communication group.
  • the first terminal may send the resource information of the second communication group to the group head terminal or the group member terminal of the second communication group, which is not limited in the embodiment of the present application.
  • the group head terminal in the second communication group may perform resource coordination according to the resource information of the second communication group allocated by the first terminal, and allocate resources to the group member terminals in the second communication group, thereby Reduce the interference between the first communication group and the second communication group.
  • the resources of the first communication group and the second communication group are resources that use different channels; or,
  • the resources of the first communication group and the second communication group are resources that use different subbands; the subband includes at least one physical resource block PRB; or,
  • the resources of the first communication group and the second communication group are resources that use different comb-tooth PRBs, and the comb-tooth PRBs include M non-contiguous PRBs in the frequency domain; M is an integer greater than 0.
  • one channel corresponds to a bandwidth of 20 MHz, and transmission resources can include multiple channels.
  • transmission resources can include multiple channels.
  • different communication groups can use different channels.
  • one subband includes multiple PRBs.
  • different communication groups can use different subbands for data transmission.
  • the comb-tooth PRB includes non-contiguous M PRBs in the frequency domain.
  • a comb-tooth PRB pattern is composed of one PRB in every K PRBs.
  • different communication groups can use different comb-tooth PRB patterns.
  • the first communication group uses the first to fifth comb-tooth PRB patterns
  • the second communication group uses the sixth to tenth comb-tooth PRB patterns. PRB pattern.
  • the first terminal allocates resources to the first communication group and the second communication group, and the terminals in the second communication group communicate according to the resources allocated by the first terminal, because the resources of the first communication group and the second communication group
  • the resources of the second communication group are different in the time domain and/or the frequency domain, so as to achieve the purpose of avoiding or reducing interference between communication groups.
  • the first terminal sends fifth indication information to the terminals in the second communication group, where the fifth indication information includes one or more of the following information:
  • High Interference Indicator (HII) information or,
  • the first transmission resource set of the first communication group is the first transmission resource set of the first communication group.
  • the first communication group may send fifth indication information to the terminals in the second communication group.
  • the fifth indication information includes the resource usage of the terminals in the first communication group, etc., so as to avoid any problems in the second communication group.
  • the terminal uses the resources of the first communication group. For example, channel information used by the terminals in the first communication group, resource pool configuration information of the first communication group, semi-static transmission resource information of the terminals in the first communication group, and so on.
  • the first terminal may also send OI information and/or HII information to the terminals in the second communication group to indicate the interference situation of the first communication group.
  • the first communication group may exchange more important transmission resources of the first communication group with terminals in the second communication group.
  • These transmission resources are usually resources that are not expected to be interfered by other terminals, such as high priority.
  • the transmission resources are sent to the terminals in the second communication group through the first transmission resource set, so that the terminals in the second communication group do not use the transmission resources, thereby reducing interference.
  • the terminals in the second communication group may coordinate the resources in the second communication group according to the received fifth indication information, so as to avoid or reduce the use of transmission resources used by the terminals in the first communication group , Thereby reducing interference, where the fifth indication information is, for example, used to indicate channel information used by the terminal in the first communication group, or the first transmission resource set of the first communication group.
  • the terminal in the second communication group may be a group head terminal or a group member terminal of the second communication group, which is not limited in this application.
  • the resources in the first transmission resource set are used to transmit one or more of the following signals: sounding reference signal (Sounding Reference Signal, SRS), channel state information measurement reference signal (Channel State Information Reference Signal) , CSI-RS), system information (System Information Block, SIB), control information, resource scheduling information, high reliability and low latency communication (Ultra Reliability Low Latency Communication, URLLC) data.
  • SRS Sounding Reference Signal
  • CRS Channel State Information Reference Signal
  • CSI-RS Channel State Information Reference Signal
  • SIB System Information Block
  • control information resource scheduling information
  • resource scheduling information high reliability and low latency communication
  • URLLC Ultra Reliability Low Latency Communication
  • the fifth indication information is carried in at least one of the following signaling:
  • Broadcast channel signaling side link control information SCI, media access control unit MAC CE, radio resource control PC5-RRC signaling.
  • the first terminal sends the resource usage of the first communication group to the terminals in the second communication group, and the terminals in the second communication group can perform resource coordination according to the resource usage of the first communication group, thereby To achieve the purpose of avoiding or reducing interference between communication groups.
  • Example 1 As shown in Figure 12, UE1 is the terminal of communication group 1, CH1 is the group head terminal of communication group 1, UE3 is the terminal of communication group 2, CH2 is the group head terminal of communication group 2, and CH1 allocates transmission for UE1 Resources, CH2 allocates transmission resources for UE3.
  • the two communication groups can use the network to allocate all transmission resources; when the two communication groups are relatively close, UE1 in communication group 1 can detect To the existence of communication group 2, for example, by detecting the synchronization signal, if the result of measuring the signal or channel sent by CH by UE1 exceeds the threshold, it will send indication information to CH1 to notify the existence of other communication groups around CH1, between CH1 and CH2 Resource coordination can be performed, for example, frequency division multiplexing is used to use transmission resources, that is, each communication group uses half of the frequency domain resources, and the terminals in the group are respectively scheduled in their respective communication groups.
  • Example 2 As shown in Figure 13, similar to Example 1. The difference between Example 2 and Example 1 is that the resource coordination method is different.
  • CH1 receives the indication information reported by UE1 and determines that there are other communication groups around, CH1 can modify the group
  • the resource allocation method of the internal terminal changes from the group head terminal’s allocation of transmission resources to the terminal’s independent selection of transmission resources; in the terminal’s independent selection of transmission resources, the terminal obtains transmission resources through interception. During the interception process, it can be avoided. Transmission resources that have been used or reserved by other terminals, so as to achieve interference between terminals in two communication groups.
  • FIG. 14 is a flowchart of another embodiment of the resource coordination method provided by this application. As shown in FIG. 14, the specific implementation steps of this embodiment include:
  • Step 201 The third terminal determines that there is a second communication group; the third terminal is a terminal in the first communication group.
  • the third terminal may be a group member terminal in the first communication group.
  • the third terminal detects the existence of the second communication group by itself, and determines that the second communication group exists according to the detection result of the third terminal.
  • Step 202 The third terminal sends first indication information to the first terminal, where the first terminal is a terminal in the first communication group, and the first indication information is used to indicate that the second communication group exists.
  • the third terminal sends the first indication information to the first terminal after detecting that the second communication group exists.
  • the first terminal may determine that the second communication group exists according to the first indication information, and then perform resource coordination to avoid or reduce the first communication Interference between the group and the second communication group.
  • the third terminal determines that the second communication group exists, which can be implemented in the following manner:
  • the third terminal determines that the second communication group exists according to the detection result of the third terminal.
  • the third terminal determines that the second communication group exists according to the detection result of the third terminal, and the following methods may be used:
  • the third terminal determines that the second communication group exists, where the second identification information is the same as the first identification information of the first communication group different.
  • the method further includes:
  • the third terminal detects the synchronization signal or the broadcast channel, and obtains the second identification information.
  • the second identification information includes at least one of the following information: wireless network temporary identification RNTI, communication group identification information, synchronization signal identification SSID, or sideline synchronization signal identification SLSS ID.
  • the third terminal determines that the second communication group exists, where , The second terminal is a terminal in the second communication group.
  • the first threshold is pre-configured, configured on the network side, or configured by the first terminal of the first communication group.
  • the third terminal is a terminal configured by the first terminal to detect the second communication group, or the third terminal is a pair from the first terminal in the first communication group The terminal whose signal or channel measurement result is less than or equal to the second threshold.
  • the resources used to detect the second communication group are configured by the first terminal; the resources include time domain resources and/or frequency domain resources.
  • the method further includes:
  • the third terminal sends second indication information to the first terminal, where the second indication information is used by the first terminal to determine resource coordination.
  • the second indication information is used to instruct the first terminal to perform resource coordination; or,
  • the second indication information is used to indicate that the measurement result of the third terminal on the second communication group exceeds a fourth threshold; or,
  • the second indication information includes a measurement result of the second communication group by the third terminal.
  • the second indication information is sent by the third terminal when the measurement result of the second communication group exceeds a sixth threshold.
  • the measurement result includes a measurement result of at least one of the following signals: a synchronization signal, a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS; or, the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical downlink shared channel PDSCH, Physical uplink shared channel PUSCH, physical downlink control channel PDCCH or physical uplink control channel PUCCH.
  • a synchronization signal a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS
  • the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical
  • the measurement result includes at least one of the following: reference signal received power RSRP or reference signal received quality RSRQ;
  • the measurement result includes at least one of the following: signal-to-noise ratio SINR or received signal field strength indicator RSSI.
  • the method further includes:
  • the third terminal receives third indication information sent by the first terminal, where the third indication information is used to instruct the terminals in the first communication group to independently select transmission resources.
  • the method further includes:
  • the third terminal receives fourth instruction information sent by the first terminal, where the fourth instruction information is used to instruct to activate the autonomous listening mode of the terminal in the first communication group.
  • the method further includes:
  • the third terminal sends available resource information and/or unavailable resource information to the first terminal; the available resource information and/or the unavailable resource information is used by the first terminal to coordinate the first communication Resources within the group.
  • the foregoing method on the third terminal side is similar to the implementation principle and technical effect of the foregoing method on the first terminal side, and will not be repeated here.
  • Fig. 15a is a flowchart of another embodiment of the resource coordination method provided by this application. As shown in Fig. 15a, the specific implementation steps of this embodiment include:
  • Step 301 The second terminal receives the resource information of the second communication group sent by the first terminal, the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group; resources of the first communication group The resources of the second communication group are different in the time domain and/or the frequency domain.
  • the second terminal receives information sent by the first terminal, such as resource information of the second communication group, where, in order to avoid interference between the first communication group and the second communication group, the resources of the first communication group and the second communication group
  • the resources of are different in the time domain and/or frequency domain.
  • the resources of the first communication group and the resources of the second communication group may be allocated by the first terminal or by the network side.
  • Step 302 The second terminal performs resource coordination according to the resource information of the second communication group.
  • the second terminal coordinates the resources of the second communication group according to the received resource information of the second communication group, for example, allocates resources to the terminals in the second communication group.
  • the second terminal may determine the resources that can be used by the terminals in the second communication group, for example, determine the available second transmission resource set, and the terminals in the second communication group use the resources in the second transmission resource set. Resources for data transmission.
  • the second terminal may be a group head terminal or a group member terminal in the second communication group, which is not limited in the embodiment of the present application.
  • the resources of the first communication group and the second communication group are resources that use different channels; or,
  • the resources of the first communication group and the second communication group are resources that use different subbands; the subband includes at least one physical resource block PRB; or,
  • the resources of the first communication group and the second communication group are resources that use different comb-tooth PRBs, and the comb-tooth PRBs include M non-contiguous PRBs in the frequency domain; M is an integer greater than 0.
  • step 302 can be implemented in the following manner:
  • the second terminal determines the second transmission resource set used by the second communication group according to the resource information of the second communication group
  • the second terminal uses the second transmission resource set for data transmission; or, the second terminal allocates transmission resources for the terminals in the second communication group according to the second transmission resource set.
  • the terminals in the second communication group may use resources in the second transmission resource set to perform data transmission; wherein, the second terminal may be a group head terminal or a group member terminal in the second communication group.
  • the second terminal may be the group head terminal in the second communication group, and the second terminal may also allocate resources from the second transmission resource set to each terminal in the second communication group to avoid second communication.
  • the terminals in the group cause interference.
  • Fig. 15b is a flowchart of another embodiment of the resource coordination method provided by this application. As shown in Fig. 15b, the specific implementation steps of this embodiment include:
  • Step 401 The second terminal receives fifth indication information sent by the first terminal, the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group; the fifth indication information is used to indicate the first The resource usage of the communication group;
  • the second terminal receives information sent by the first terminal, such as fifth indication information, which is used to indicate the resource usage of the first communication group; in order to avoid interference between the first communication group and the second communication group, The first terminal notifies the terminal of the second communication group of the resource usage of the first communication group, so that the terminal of the second communication group avoids using the resource of the first communication group, thereby avoiding interference.
  • fifth indication information which is used to indicate the resource usage of the first communication group
  • Step 402 The second terminal performs resource coordination according to the fifth indication information.
  • the second terminal coordinates the resources of the second communication group according to the received resource usage of the first communication group, for example, determines the resources of the first communication group to prevent terminals in the second communication group from using the first communication group Resources to avoid interference.
  • the second terminal may be a group head terminal or a group member terminal in the second communication group, which is not limited in the embodiment of the present application.
  • the fifth indication information includes one or more of the following information:
  • High interference indicates HII information
  • the first transmission resource set of the first communication group is the first transmission resource set of the first communication group.
  • the resources in the first transmission resource set are used to transmit one or more of the following signals: sounding reference signal SRS, channel state information measurement reference signal CSI-RS, system message SIB, high reliability and low time Delay communication URLLC data.
  • the fifth indication information is carried in at least one of the following signaling:
  • Broadcast channel signaling side link control information SCI, media access layer control unit MAC CE, radio resource control PC5-RRC signaling.
  • step 402 may be implemented in the following manner:
  • the second terminal determines the third transmission resource set used by the first communication group according to the fifth indication information
  • the second terminal avoids using resources in the third transmission resource set for data transmission; or, the second terminal uses resources other than the third transmission resource set for data transmission; or, the second terminal is the second terminal according to the third transmission resource set.
  • the terminals in the communication group allocate transmission resources.
  • the second terminal determines the third transmission resource set used by the first communication group according to the fifth indication information, so as to prevent terminals in the second communication group from using the resources of the first communication group, thereby avoiding interference.
  • the second terminal avoids using the resources in the third transmission resource set for data transmission, thereby reducing interference to the first communication group; wherein, the second terminal may be the group head terminal or the group head terminal of the second communication group.
  • Group member terminal
  • the second terminal uses resources outside the third transmission resource set for data transmission, which can avoid interference between the first communication group and the second communication group; wherein, the second terminal may be the second communication group The group head terminal or group member terminal;
  • the second terminal may be the group head terminal in the second communication group, and the second terminal may allocate resources to each terminal in the second communication group according to the third transmission resource set, so as to avoid assigning resources to each terminal in the second communication group.
  • the terminal of allocates resources in the third transmission resource set, that is, resources of the first communication group, to avoid interference between the first communication group and the second communication group.
  • the foregoing method on the second terminal side is similar to the implementation principles and technical effects of the foregoing first terminal side method, and will not be repeated here.
  • FIG. 16 is a schematic structural diagram of an embodiment of the first terminal provided by this application. As shown in FIG. 16, the first terminal includes:
  • the determining module 110 is configured to determine that there is a second communication group
  • the processing module 111 is configured to perform resource coordination, where the first terminal is a terminal in a first communication group.
  • the determining module is used to:
  • the determining module 110 is specifically configured to:
  • the first terminal determines that the second communication group exists, wherein the second identification information is the same as the first identification information of the first communication group different.
  • the determining module 110 is further configured to:
  • the synchronization signal or the broadcast channel is detected, and the second identification information is acquired.
  • the second identification information includes at least one of the following information: wireless network temporary identification RNTI, communication group identification information, synchronization signal identification SSID, or sideline synchronization signal identification SLSS ID.
  • the determining module 110 is specifically configured to:
  • the first terminal determines that the second communication group exists, and the second terminal The terminal is a terminal in the second communication group.
  • the first threshold is pre-configured, configured on the network side, or configured by the first terminal.
  • it further includes:
  • the determining module 110 is specifically configured to:
  • the acquisition module is used to:
  • the third terminal is a terminal configured by the first terminal to detect the second communication group, or the third terminal is a pair from the first terminal in the first communication group The terminal whose signal or channel measurement result is less than or equal to the second threshold.
  • the second threshold is pre-configured, configured on the network side, or configured by the first terminal.
  • the measurement result includes a measurement result of at least one of the following signals: a synchronization signal, a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS; or, the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical downlink shared channel PDSCH, Physical uplink shared channel PUSCH, physical downlink control channel PDCCH or physical uplink control channel PUCCH.
  • a synchronization signal a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS
  • the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical
  • the measurement result includes at least one of the following: reference signal received power RSRP or reference signal received quality RSRQ;
  • the measurement result includes at least one of the following: signal-to-noise ratio SINR or received signal field strength indicator RSSI.
  • the resources used to detect the second communication group are configured by the first terminal; the resources include time domain resources and/or frequency domain resources.
  • the processing module 111 is configured to:
  • the first terminal performs resource coordination.
  • processing module 111 is further configured to:
  • the second indication information is used by the first terminal to determine resource coordination.
  • the second indication information is used to instruct the first terminal to perform resource coordination; or,
  • the second indication information is used to indicate that the measurement result of the fourth terminal on the terminals in the second communication group exceeds a fourth threshold; or,
  • the second indication information includes a measurement result of the fourth terminal on the terminals in the second communication group.
  • the processing module 111 is specifically configured to:
  • the first terminal performs resource coordination.
  • the second indication information is sent by the fourth terminal when the measurement result of the second communication group exceeds a sixth threshold.
  • the second indication information is carried in side link control information SCI, data media access layer control unit MAC CE or radio resource control PC5-RRC signaling; or,
  • the second indication information is carried in the physical uplink control channel PUCCH; or,
  • the second indication information is carried in the physical uplink control channel PUSCH.
  • processing module 111 is specifically configured to:
  • the first terminal sends third indication information to the terminals in the first communication group, where the third indication information is used to instruct the terminals in the first communication group to independently select transmission resources.
  • processing module 111 is specifically configured to:
  • the first terminal sends fourth instruction information to the terminals in the first communication group, where the fourth instruction information is used to instruct to activate the autonomous listening mode of the terminals in the first communication group.
  • processing module 111 is specifically configured to:
  • the first terminal coordinates the resources in the first communication group according to the available resource information and/or the unavailable resource information.
  • processing module 111 is specifically configured to:
  • the first terminal allocates resources to the first communication group and the second communication group, wherein the resources of the first communication group and the resources of the second communication group are in the time domain and/or frequency domain different;
  • the first terminal sends the resource information of the second communication group to the terminal of the second communication group.
  • the resources of the first communication group and the second communication group are resources that use different channels; or,
  • the resources of the first communication group and the second communication group are resources that use different subbands; the subband includes at least one physical resource block PRB; or,
  • the resources of the first communication group and the second communication group are resources that use different comb-tooth PRBs, and the comb-tooth PRBs include M non-contiguous PRBs in the frequency domain; M is an integer greater than 0.
  • processing module 111 is specifically configured to:
  • the first terminal sends fifth indication information to the terminals in the second communication group, where the fifth indication information includes one or more of the following information:
  • High interference indicates HII information
  • the first transmission resource set of the first communication group is the first transmission resource set of the first communication group.
  • the resources in the first transmission resource set are used to transmit one or more of the following signals: sounding reference signal SRS, channel state information measurement reference signal CSI-RS, system message SIB, high reliability Low-latency communication URLLC data.
  • the fifth indication information is carried in at least one of the following signaling:
  • Broadcast channel signaling side link control information SCI, media access layer control unit MAC CE, radio resource control PC5-RRC signaling.
  • the first terminal of this embodiment may be used to execute the technical solutions of the foregoing first terminal-side method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 17 is a schematic structural diagram of an embodiment of a third terminal provided by this application. As shown in FIG. 17, the third terminal includes:
  • the determining module 210 is configured to determine that there is a second communication group; the third terminal is a terminal in the first communication group;
  • the sending module 211 is configured to send first indication information to a first terminal, where the first terminal is a terminal in a first communication group, and the first indication information is used to indicate that the second communication group exists.
  • the determining module 210 is specifically configured to:
  • the determining module 210 is specifically configured to:
  • the third terminal determines that the second communication group exists, where the second identification information is the same as the first identification information of the first communication group different.
  • the determining module 210 is further configured to:
  • the third terminal detects the synchronization signal or the broadcast channel, and obtains the second identification information.
  • the second identification information includes at least one of the following information: wireless network temporary identification RNTI, communication group identification information, synchronization signal identification SSID, or sideline synchronization signal identification SLSS ID.
  • the determining module 210 is specifically configured to:
  • the third terminal determines that the second communication group exists, where , The second terminal is a terminal in the second communication group.
  • the first threshold is pre-configured, configured on the network side, or configured by the first terminal of the first communication group.
  • the third terminal is a terminal configured by the first terminal to detect the second communication group, or the third terminal is a pair from the first terminal in the first communication group The terminal whose signal or channel measurement result is less than or equal to the second threshold.
  • the resources used to detect the second communication group are configured by the first terminal; the resources include time domain resources and/or frequency domain resources.
  • the sending module 211 is further configured to:
  • the second indication information is used to instruct the first terminal to perform resource coordination; or,
  • the second indication information is used to indicate that the measurement result of the third terminal on the second communication group exceeds a fourth threshold; or,
  • the second indication information includes a measurement result of the second communication group by the third terminal.
  • the second indication information is sent by the third terminal when the measurement result of the second communication group exceeds a sixth threshold.
  • the measurement result includes a measurement result of at least one of the following signals: a synchronization signal, a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS; or, the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical downlink shared channel PDSCH, Physical uplink shared channel PUSCH, physical downlink control channel PDCCH or physical uplink control channel PUCCH.
  • a synchronization signal a demodulation reference signal DMRS, a channel state information reference signal CSI-RS or a sounding reference signal SRS
  • the measurement result Including the measurement results of at least one of the following channels: physical side line broadcast channel PSBCH, physical side line shared channel PSSCH, physical side line control channel PSCCH, physical side line feedback channel PSFCH, physical broadcast channel PBCH, physical
  • the measurement result includes at least one of the following: reference signal received power RSRP or reference signal received quality RSRQ;
  • the measurement result includes at least one of the following: signal-to-noise ratio SINR or received signal field strength indicator RSSI.
  • it further includes:
  • the receiving module is configured to receive third indication information sent by the first terminal, where the third indication information is used to instruct the terminals in the first communication group to independently select transmission resources.
  • the receiving module is also used for:
  • the sending module 211 is also used to:
  • the third terminal of this embodiment may be used to implement the technical solutions of the foregoing third terminal-side method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 18a is a schematic structural diagram of an embodiment of a second terminal provided by this application. As shown in FIG. 18a, the second terminal includes:
  • the receiving module 310 is configured to receive resource information of a second communication group sent by a first terminal, where the first terminal is a terminal in the first communication group, and the second terminal is a terminal in the second communication group;
  • the resources of the first communication group and the resources of the second communication group are different in the time domain and/or the frequency domain;
  • the processing module 311 is configured to perform resource coordination according to the resource information of the second communication group.
  • the resources of the first communication group and the second communication group are resources that use different channels; or,
  • the resources of the first communication group and the second communication group are resources that use different subbands; the subband includes at least one physical resource block PRB; or,
  • the resources of the first communication group and the second communication group are resources that use different comb-tooth PRBs, and the comb-tooth PRBs include M non-contiguous PRBs in the frequency domain; M is an integer greater than 0.
  • processing module 311 is specifically configured to:
  • Data transmission is performed according to the second transmission resource set; or, the second terminal allocates transmission resources for the terminals in the second communication group according to the second transmission resource set.
  • the second terminal of this embodiment may be used to implement the technical solutions of the foregoing second terminal-side method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • Fig. 18b is a schematic structural diagram of another embodiment of a second terminal provided by this application. As shown in Fig. 18b, the second terminal includes:
  • the receiving module 320 is configured to receive fifth instruction information sent by a first terminal, where the first terminal is a terminal in a first communication group, and the second terminal is a terminal in a second communication group; the fifth instruction Information is used to indicate the resource usage of the first communication group;
  • the processing module 321 is configured to perform resource coordination according to the fifth instruction information.
  • the fifth indication information includes one or more of the following information:
  • High interference indicates HII information
  • the first transmission resource set of the first communication group is the first transmission resource set of the first communication group.
  • the resources in the first transmission resource set are used to transmit one or more of the following signals: sounding reference signal SRS, channel state information measurement reference signal CSI-RS, system message SIB, high reliability Low-latency communication URLLC data.
  • the fifth indication information is carried in at least one of the following signaling:
  • Broadcast channel signaling side link control information SCI, media access layer control unit MAC CE, radio resource control PC5-RRC signaling.
  • processing module 321 is specifically configured to:
  • the third transmission resource set allocates transmission resources for the terminals in the second communication group.
  • the second terminal of this embodiment may be used to implement the technical solutions of the foregoing second terminal-side method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 19 is a schematic structural diagram of another embodiment of a first terminal provided by this application. As shown in FIG. 19, the first terminal includes:
  • a processor 411 a processor 411, a memory 412, and an interface 413 for communicating with other devices;
  • the memory 412 stores computer execution instructions
  • the processor 411 executes the computer-executable instructions stored in the memory, so that the processor 411 executes the technical solution on the first terminal side in any of the foregoing method embodiments.
  • FIG. 19 is a simple design of the first terminal.
  • the embodiment of the present application does not limit the number of processors and memories in the terminal device.
  • FIG. 19 only takes the number of 1 as an example for illustration.
  • FIG. 20 is a schematic structural diagram of another embodiment of a third terminal provided by this application. As shown in FIG. 20, the third terminal includes:
  • a processor 511 a processor 511, a memory 512, and an interface 513 for communicating with other devices;
  • the memory 512 stores computer execution instructions
  • the processor 511 executes the computer-executable instructions stored in the memory 512, so that the processor 511 executes the technical solution on the third terminal side in any of the foregoing method embodiments.
  • FIG. 20 is a simple design of the third terminal.
  • the embodiment of the present application does not limit the number of processors and memories in the third terminal.
  • FIG. 20 only uses 1 as an example for illustration.
  • FIG. 21 is a schematic structural diagram of another embodiment of a second terminal provided by this application. As shown in FIG. 21, the second terminal includes:
  • a processor 611 a processor 611, a memory 612, and an interface 613 for communicating with other devices;
  • the memory 612 stores computer execution instructions
  • the processor 611 executes the computer-executable instructions stored in the memory 612, so that the processor 611 executes the technical solution on the second terminal side in any of the foregoing method embodiments.
  • FIG. 21 is a simple design of the second terminal.
  • the embodiment of the present application does not limit the number of processors and memories in the second terminal.
  • FIG. 21 only uses 1 as an example for illustration.
  • the memory, the processor, and the interface may be connected by a bus, which is optional Yes, the memory can be integrated inside the processor.
  • the embodiment of the present application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions. When the computer-executable instructions are executed by a processor, they are used to implement the first method in any of the foregoing method embodiments. Technical solution on the terminal side.
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, it is used to implement the first method in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a computer-readable storage medium, the computer-readable storage medium stores computer-executable instructions, and when the computer-executable instructions are executed by a processor, it is used to implement the first method in any of the foregoing method embodiments. Two technical solutions on the terminal side.
  • the embodiment of the present application also provides a program, when the program is executed by the processor, it is used to execute the technical solution on the first terminal side in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a program, when the program is executed by the processor, it is used to execute the technical solution on the third terminal side in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a program, when the program is executed by the processor, it is used to execute the technical solution on the second terminal side in any of the foregoing method embodiments.
  • the foregoing processor may be a chip.
  • the embodiments of the present application also provide a computer program product, including program instructions, which are used to implement the technical solutions on the first terminal side in any of the foregoing method embodiments.
  • the embodiment of the present application also provides a computer program product, including program instructions, and the program instructions are used to implement the technical solution on the third terminal side in any of the foregoing method embodiments.
  • the embodiments of the present application also provide a computer program product, including program instructions, which are used to implement the technical solutions on the second terminal side in any of the foregoing method embodiments.
  • An embodiment of the present application also provides a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution on the first terminal side in any of the foregoing method embodiments.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute any of the foregoing The technical solution of the first terminal side in the method embodiment.
  • a storage module such as a memory
  • An embodiment of the present application also provides a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution on the third terminal side in any of the foregoing method embodiments.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute any of the foregoing The technical solution of the third terminal side in the method embodiment.
  • a storage module such as a memory
  • An embodiment of the present application also provides a chip, which includes a processing module and a communication interface, and the processing module can execute the technical solution on the second terminal side in any of the foregoing method embodiments.
  • the chip also includes a storage module (such as a memory), the storage module is used to store instructions, the processing module is used to execute the instructions stored in the storage module, and the execution of the instructions stored in the storage module causes the processing module to execute any of the foregoing The technical solution of the second terminal side in the method embodiment.
  • a storage module such as a memory
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the modules is only a logical function division, and there may be other divisions in actual implementation, for example, multiple modules can be combined or integrated. To another system, or some features can be ignored, or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces.
  • the indirect coupling or communication connection of the modules may be in electrical, mechanical or other forms.
  • the processor may be a central processing unit (English: Central Processing Unit, abbreviated as: CPU), or other general-purpose processors, digital signal processors (English: Digital Signal Processor, referred to as DSP), application specific integrated circuit (English: Application Specific Integrated Circuit, referred to as ASIC), etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like. The steps in the method disclosed in this application can be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • All or part of the steps in the foregoing method embodiments may be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a readable memory.
  • the program executes the steps of the above-mentioned method embodiments; and the aforementioned memory (storage medium) includes: read-only memory (English: read-only memory, abbreviated as: ROM), RAM, flash memory, hard disk, Solid state hard disk, magnetic tape (English: magnetic tape), floppy disk (English: floppy disk), optical disc (English: optical disc) and any combination thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de l'invention concernent un procédé de coordination de ressources, un dispositif et un support de stockage. Le procédé comprend les étapes suivantes : un premier terminal détermine l'existence d'un second groupe de communication, puis le premier terminal effectue une coordination des ressources, le premier terminal étant un terminal dans un premier groupe de communication. Le procédé dans les modes de réalisation de l'invention permet de réduire l'interférence entre le premier groupe de communication et le second groupe de communication.
PCT/CN2020/089323 2020-05-09 2020-05-09 Procédé de coordination de ressources, dispositif et support de stockage WO2021226737A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/089323 WO2021226737A1 (fr) 2020-05-09 2020-05-09 Procédé de coordination de ressources, dispositif et support de stockage
CN202080098552.4A CN115298974A (zh) 2020-05-09 2020-05-09 资源协调方法、设备及存储介质

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/089323 WO2021226737A1 (fr) 2020-05-09 2020-05-09 Procédé de coordination de ressources, dispositif et support de stockage

Publications (1)

Publication Number Publication Date
WO2021226737A1 true WO2021226737A1 (fr) 2021-11-18

Family

ID=78526048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/089323 WO2021226737A1 (fr) 2020-05-09 2020-05-09 Procédé de coordination de ressources, dispositif et support de stockage

Country Status (2)

Country Link
CN (1) CN115298974A (fr)
WO (1) WO2021226737A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080037485A1 (en) * 2004-07-15 2008-02-14 Hunter Douglas Inc. System and Method for Adaptively Controlling a Network of Distributed Devices
CN102334370A (zh) * 2009-01-16 2012-01-25 诺基亚公司 调度用于设备到设备通信的资源的装置和方法
CN104205671A (zh) * 2012-04-13 2014-12-10 英特尔公司 设备到设备通信中的干扰通知
CN105794302A (zh) * 2013-12-23 2016-07-20 杜塞尔多夫华为技术有限公司 管理第一移动终端和第二移动终端之间通信的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080037485A1 (en) * 2004-07-15 2008-02-14 Hunter Douglas Inc. System and Method for Adaptively Controlling a Network of Distributed Devices
CN102334370A (zh) * 2009-01-16 2012-01-25 诺基亚公司 调度用于设备到设备通信的资源的装置和方法
CN104205671A (zh) * 2012-04-13 2014-12-10 英特尔公司 设备到设备通信中的干扰通知
CN105794302A (zh) * 2013-12-23 2016-07-20 杜塞尔多夫华为技术有限公司 管理第一移动终端和第二移动终端之间通信的方法

Also Published As

Publication number Publication date
CN115298974A (zh) 2022-11-04

Similar Documents

Publication Publication Date Title
US11626947B2 (en) Communication method and communications device
US11903012B2 (en) Method and apparatus for carrier aggregation in sidelink communication
US10038993B2 (en) Method for supporting device-to-device communication in a cellular network, and apparatus for same
EP3099095B1 (fr) Procédé et dispositif pour déterminer et acquérir des ressources radio
WO2019029733A1 (fr) Procédé et dispositif de communication de dispositif à dispositif
CN111867089A (zh) 一种资源分配方法及设备
CN113615279A (zh) 无线链路管理方法及相关设备
CN112106423A (zh) 用于物理下行链路控制信道监测的方法、终端设备和基站
US20230345426A1 (en) Resource determination method, first terminal device, and second terminal device
WO2020210961A1 (fr) Procédé et dispositif de transmission de données de liaison latérale, et support d'informations
WO2021226737A1 (fr) Procédé de coordination de ressources, dispositif et support de stockage
WO2022061776A1 (fr) Procédé de détermination d'un ensemble de ressources et dispositif de terminal
CN117397173A (zh) 信息传输方法、设备及存储介质
TWI552637B (zh) 基地台及其通訊方法
WO2021237573A1 (fr) Procédé et appareil de transmission d'informations, et dispositif de communication
WO2022077215A1 (fr) Procédé de communication sans fil, terminal et dispositif de réseau
WO2022061790A1 (fr) Procédé de transmission d'un ensemble de ressources, et terminaux
WO2022151141A1 (fr) Procédé de détection, basé sur une réception discontinue, et terminal
WO2024092758A1 (fr) Procédé de communication sans fil et équipement terminal
WO2024108585A1 (fr) Procédés de communication de liaison latérale, équipements terminaux et dispositifs de réseau
US11997699B2 (en) Sidelink communication method and apparatus
WO2023115335A1 (fr) Procédé et appareil de transmission de liaison latérale et dispositif terminal
US20240031092A1 (en) Terminal device and network device
WO2022100362A1 (fr) Procédé de transmission de signal et dispositif de communication
US20240064783A1 (en) Sidelink communication method and apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20935894

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20935894

Country of ref document: EP

Kind code of ref document: A1